General steady-state analysis of three-phase self-excited induction generator feeding three-phase unbalanced load/single-phase load for stand-alone applications

摘要: A general steady-state analysis of a three-phase self-excited induction generator (SEIG) feeding unbalanced load or single-phase is presented. Symmetrical component theory used to obtain relevant performance equations through sequence quantities. While the system inherently complicated due unbalance and magnetic saturation, valid simplifications incorporated in equivalent circuit for both forward backward fields result manageable suitable computer simulation. Suitable non-linear parameters are chosen corresponding appropriate saturation levels. Using this technique 7.5 kW, 415/240 V, four- pole, threephase motor operated as SEIG analysed tinder different loads compared with experimental results. The fcasibility using machines such operations has been critically examined stand-alone power generation.